It is not illegal to live fish to fish
Enquiry:
Hi I am a member of a fish keeping forum. A question has arisen as to whether it is legal in the UK to feed live fish to other fish. I have searched all over for a definitive answer but can't find one. Do you know whether its legal or not, or the act that may deal with this.
Response:
Thank you for your enquiry. We are not aware of there being any legal constraints on feeding fish to other live fish or any animal. There is also no legislation that specifically allows the use of certain fish to feed certain other fish. However, there is clear evidence that fish are sentient, so such action could potentially be an offence under the Protection of Animals Act 1911 if a vet agreed that unnecessary suffering had been caused by such actions. The difficulty would therefore arise when trying to prove suffering had intentionally been caused. For example, piranhas (depending on the species) will scavenge fish scales off live fish, take dead or meat sinking through the water or if hungry enough could attack live fish. However, piranhas do not require the offering of live fish in captivity to trigger feeding, as feeding can also be triggered by dead meat/fish being dropped into their water tank. Another issue that could have an impact on the welfare of the piranha's and the fish being added for food, is the taking of fish from one water environment to then release straight into water of a different water environment. It is widely recognised that such practice can shock the fish and could even be fatal. I hope this information is helpful for you and thank you again for contacting us. Kind regards RSPCA Enquiries Service
Feeding live fish to other fish
Subject:Feeding live fish to other fish
Ref no.:1106212733628
Recd.:21/01/2005
Status.:responded
http://www.rspca.org.uk
http://www.rspca.org.uk/servlet/Satellite?pagename=RSPCA/Utility/Contact
So it seems that this mythical law about not using live vertibrates as food doesn't exist, but there is a law about causing unnecessary suffering to animals.
As in 99% of cases it's possible to feed dead meat to the fish, then feeding live meat can be deemed 'unnecessary'
It's an extremely grey area invoking ethics and philosophy as well as law.